Arthur G. Ahlstone

Person

Ventura, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Open head foster-style back-up tong
- Patent number 5,823,074
- Issue date Oct 20, 1998
- Oil Country Manufacturing, Inc.
- Arthur Gustaf Ahlstone
- E21 - EARTH DRILLING MINING
Information Patent Grant
Locking device for fluorescent lamps
- Patent number 5,282,755
- Issue date Feb 1, 1994
- Vemco Corporation
- Arthur G. Ahlstone
- F21 - LIGHTING
Information Patent Grant
Graphic arts light box
- Patent number 5,207,495
- Issue date May 4, 1993
- Vemco Corporation
- Arthur G. Ahlstone
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Retrievable guide base for subsea well
- Patent number 5,069,287
- Issue date Dec 3, 1991
- FMC Corporation
- David E. Short
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tool for running structures in a well
- Patent number 4,880,061
- Issue date Nov 14, 1989
- Cameron Iron Works USA, Inc.
- Arthur G. Ahlstone
- E21 - EARTH DRILLING MINING
Information Patent Grant
Subsea tubing hanger
- Patent number 4,736,799
- Issue date Apr 12, 1988
- Cameron Iron Works USA, Inc.
- Arthur G. Ahlstone
- E21 - EARTH DRILLING MINING
Information Patent Grant
Buoyant ring gasket installation tool
- Patent number 4,618,285
- Issue date Oct 21, 1986
- Shell Offshore Inc.
- Arthur G. Ahlstone
- E21 - EARTH DRILLING MINING
Information Patent Grant
Ring gasket installation tool
- Patent number 4,602,893
- Issue date Jul 29, 1986
- Shell Offshore Inc.
- Tun C. Gist
- E21 - EARTH DRILLING MINING
Information Patent Grant
Subsea hydraulic connection method and apparatus
- Patent number 4,601,608
- Issue date Jul 22, 1986
- Shell Offshore Inc.
- Arthur G. Ahlstone
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wireline blowout preventer
- Patent number 4,583,569
- Issue date Apr 22, 1986
- Arthur Ahlstone
- E21 - EARTH DRILLING MINING
Information Patent Grant
Breech block hanger support
- Patent number 4,488,740
- Issue date Dec 18, 1984
- Smith International, Inc.
- Benton F. Baugh
- E21 - EARTH DRILLING MINING
Information Patent Grant
Driveable pile connections
- Patent number 4,444,421
- Issue date Apr 24, 1984
- Varco International, Inc.
- Arthur G. Ahlstone
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Flexible ring gasket retainer for flanged connectors
- Patent number 4,294,477
- Issue date Oct 13, 1981
- Vetco Inc.
- Arthur G. Ahlstone
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Ring gasket retainer for flanged connectors
- Patent number 4,272,109
- Issue date Jun 9, 1981
- Vetco, Inc.
- Arthur G. Ahlstone
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rigid connector for large diameter pipe
- Patent number 4,209,193
- Issue date Jun 24, 1980
- Vetco, Inc.
- Arthur G. Ahlstone
- E21 - EARTH DRILLING MINING
Information Patent Grant
Ring gasket retainer for flanged connectors
- Patent number 4,168,852
- Issue date Sep 25, 1979
- Vetco, Inc.
- Arthur G. Ahlstone
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Shiftable ring gasket retainer for flanged connectors
- Patent number 4,168,853
- Issue date Sep 25, 1979
- Vetco, Inc.
- Arthur G. Ahlstone
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Misalignment connector with retained internal spherical seal
- Patent number 4,153,281
- Issue date May 8, 1979
- Vetco, Inc.
- Arthur G. Ahlstone
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydraulically operated misalignment connector
- Patent number 4,153,278
- Issue date May 8, 1979
- Vetco, Inc.
- Arthur G. Ahlstone
- E21 - EARTH DRILLING MINING
Information Patent Grant
Preloaded misalignment pipe connector
- Patent number 4,133,557
- Issue date Jan 9, 1979
- Vetco, Inc.
- Arthur G. Ahlstone
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Misalignment pipe connector
- Patent number 4,133,558
- Issue date Jan 9, 1979
- Vetco, Inc.
- Arthur G. Ahlstone
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rigid pipe connector with radially shiftable lock elements and meth...
- Patent number 4,124,231
- Issue date Nov 7, 1978
- Vetco, Inc.
- Arthur G. Ahlstone
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Rigid pipe connector with lock ring and method of making the same
- Patent number 4,124,233
- Issue date Nov 7, 1978
- Vetco, Inc.
- Arthur G. Ahlstone
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Rigid connector for pipe and method of making the same
- Patent number 4,124,229
- Issue date Nov 7, 1978
- Vetco, Inc.
- Arthur G. Ahlstone
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rigid pipe connector with locking screws and method of making the same
- Patent number 4,124,230
- Issue date Nov 7, 1978
- Vetco, Inc.
- Arthur G. Ahlstone
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Rigid pipe connector with lock elements and method of making the same
- Patent number 4,124,232
- Issue date Nov 7, 1978
- Vetco, Inc.
- Arthur G. Ahlstone
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Lockable rigid connector for pipe and method of making the same
- Patent number 4,120,520
- Issue date Oct 17, 1978
- Vetco, Inc.
- Arthur G. Ahlstone
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Wellhead seal apparatus and pulling tool for releasing and retrievi...
- Patent number 4,030,544
- Issue date Jun 21, 1977
- Vetco Offshore Industries, Inc.
- Arthur G. Ahlstone
- E21 - EARTH DRILLING MINING
Information Patent Grant
Retrieving tool for wellhead packing
- Patent number 3,944,273
- Issue date Mar 16, 1976
- Vetco Offshore Industries, Inc.
- Arthur G. Ahlstone
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fluid pressure operated shut off valve apparatus
- Patent number 3,937,251
- Issue date Feb 10, 1976
- Vetco Offshore Industries, Inc.
- Arthur G. Ahlstone
- E21 - EARTH DRILLING MINING

Arthur G. Ahlstone

Person

Patents Grantslast 30 patents

Open head foster-style back-up tong

Locking device for fluorescent lamps

Graphic arts light box

Retrievable guide base for subsea well

Tool for running structures in a well

Subsea tubing hanger

Buoyant ring gasket installation tool

Ring gasket installation tool

Subsea hydraulic connection method and apparatus

Wireline blowout preventer

Breech block hanger support

Driveable pile connections

Flexible ring gasket retainer for flanged connectors

Ring gasket retainer for flanged connectors

Rigid connector for large diameter pipe

Ring gasket retainer for flanged connectors

Shiftable ring gasket retainer for flanged connectors

Misalignment connector with retained internal spherical seal

Hydraulically operated misalignment connector

Preloaded misalignment pipe connector

Misalignment pipe connector

Rigid pipe connector with radially shiftable lock elements and meth...

Rigid pipe connector with lock ring and method of making the same

Rigid connector for pipe and method of making the same

Rigid pipe connector with locking screws and method of making the same

Rigid pipe connector with lock elements and method of making the same

Lockable rigid connector for pipe and method of making the same

Wellhead seal apparatus and pulling tool for releasing and retrievi...

Retrieving tool for wellhead packing

Fluid pressure operated shut off valve apparatus